# CVE-2023-20034: Hardcoded credentials in Cisco SD-WAN vManage

> An unauthenticated remote attacker can access the Elasticsearch database using static credentials to view sensitive configuration data.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Sep 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-vph8-3839-qfq3

## What is CVE-2023-20034?

CVE-2023-20034 is a high-severity vulnerability in Cisco SD-WAN vManage, published on 27 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Vulnerability in the Elasticsearch database used in the of Cisco SD-WAN vManage software could allow an unauthenticated, remote attacker to access the Elasticsearch configuration database of an affected device with the privileges of the elasticsearch user.

 These vulnerability is due to the presence of a static username and password configured on the vManage. An attacker could exploit this vulnerability by sending a crafted HTTP request to a reachable vManage on port 9200. A successful exploit could allow the attacker to view the Elasticsearch database content.

   There are workarounds that address this vulnerability.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2023-20034?

It affects 1 product.


Products: Cisco Sd-Wan.

## How do I fix CVE-2023-20034?

No fix has been published for CVE-2023-20034 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-20034 being exploited?

There is no known exploitation of CVE-2023-20034 in the wild and no public exploit code.

## Other vulnerabilities in Cisco SD-WAN vManage

- [CVE-2020-3374](https://insights.sbomify.com/CVE-2020-3374/): Cisco SD-WAN vManage Software Authorization Bypass Vulnerability (critical 9.9)
- [CVE-2018-15387](https://insights.sbomify.com/CVE-2018-15387/): Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability (critical 9.8)
- [CVE-2019-1624](https://insights.sbomify.com/CVE-2019-1624/): Cisco SD-WAN Solution Command Injection Vulnerability (high 8.8)
- [CVE-2019-1650](https://insights.sbomify.com/CVE-2019-1650/): Cisco SD-WAN Solution Arbitrary File Overwrite Vulnerability (high 8.8)
- [CVE-2020-3180](https://insights.sbomify.com/CVE-2020-3180/): Cisco SD-WAN Solution Software Static Credentials Vulnerability (high 8.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-20034 and fix it if it is affected.

What it is: CVE-2023-20034 is a high-severity vulnerability in Cisco SD-WAN vManage, published on 27 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-20034 in the wild and no public exploit code.

Affected product: Cisco SD-WAN vManage. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-20034/ (Markdown: https://insights.sbomify.com/CVE-2023-20034/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-20034
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-20034
- OSV: https://osv.dev/vulnerability/CVE-2023-20034

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-20034/
Summaries are generated and may contain mistakes; the official description above is the record.